Clinical trials: Gut Dysbiosis, open to volunteers
Crohn Disease (CD)
The Microbial Impact on Intestinal Fibrosis and the Associated Immune Microenvironment in Crohn's Disease
The goal of this study is to find out if there is a direct connection between an imbalance of gut bacteria and the development of scar tissue in the gut by identifying important bacterial proteins found in scarred gut tissue.
- Trial name
- NCT06720961
- Testing
- Collection of surgical specimen, Collection of stool sample
- Where
- Italy
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- IRCCS San Raffaele
Dysbiosis, Cardiometabolic Health Indicators
Pulse Education and Children
This parallel-arm, randomized controlled trial will evaluate the effectiveness of a 6-week pulse-focused nutrition intervention in school-aged children (6-13 years).
- Conditions
- Dysbiosis, Cardiometabolic Health Indicators, Education on Feeding and Health Status, Gut Motility
- Trial name
- NCT07648446
- Testing
- Education Only, Education + Pulse Provision, Cooking Class
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Florida State University
Irritable Bowel Syndrome (IBS), Small Intestinal Bacterial Overgrowth Syndrome (SIBO)
Herbal Supplement (Biocidin REMOVE) for Bacterial Overgrowth in Irritable Bowel Syndrome
The goal of this clinical trial is to learn if an herbal supplement called Biocidin REMOVE can clear small intestinal bacterial overgrowth (SIBO) in adults with irritable bowel syndrome (IBS).
- Trial name
- NCT07768267
- Testing
- Biocidin REMOVE
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Johns Hopkins University
Hematologic Neoplasms, Gastrointestinal Symptoms
Effects of Synbiotic Supplementation on Gastrointestinal Symptoms, Appetite, and Nutritional Recovery in Patients After Autologous Bone Marrow Transplant
Patients undergoing autologous bone marrow transplantation (ABMT) receive high-dose chemotherapy and routine prophylactic antibiotics, which often disrupt the gut microbiome (dysbiosis).
- Conditions
- Hematologic Neoplasms, Gastrointestinal Symptoms, Malnutrition, Loss of Appetite
- Trial name
- NCT07845669
- Testing
- Tri-component Synbiotic Supplement
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Alexandria University
Diminished Ovarian Reserve
Characterization of Gut and Tongue Coating Microbiota in Patients With Diminished Ovarian Reserve
The goal of this observational study is to investigate the distinct tongue manifestation characteristics in patients with diminished ovarian reserve (DOR) compared to healthy individuals, and to clarify the features of tongue…
- Trial name
- CGTCMPDOR (NCT07124260)
- Testing
- gut microbiota, tongue coating microbiota, tongue picture
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Hangzhou TCM Hospital Affiliated to Zhejiang Chinese Medical University
Obesity & Overweight, Metabolic Syndrome
Kodo Millet Porridge and Its Effects on Gut Health and Metabolic Syndrome
Dietary fiber are components in foods that are not digested by human gastrointestinal enzymes (alpha amylase and alpha glucosidase) but are instead broken down and fermented by gut microbes.
- Conditions
- Obesity & Overweight, Metabolic Syndrome, Gut Dysbiosis, Insulin Resistance
- Trial name
- KMGMS (NCT07703371)
- Testing
- Kodo Millet Porridge Beverage
- Where
- India
- Volunteers
- 50 people
- Sponsor
- JSS MEDICAL COLLEGE, JSS ACADEMY OF HIGHER EDUCATION AND RESEARCH
End-stage Renal Disease (ESRD), Kidney Transplantation
Microbiota Changes Related to Outcomes in Kidney Transplantation
Chronic kidney disease affects approximately 10% of the world population. End-stage renal disease (ESRD) is associated with immune dysregulation, chronic inflammation, and alteration of the gut and urinary microbiota.
- Trial name
- MICRO-KT (NCT07893691)
- Testing
- Fecal samples, Urinary sample, Blood samples
- Where
- France
- Volunteers
- 30 people
- Sponsor
- Hospices Civils de Lyon
Microbiome Dysbiosis, Gut Health
Colon-delivered Riboflavin and Gut Microbiota Composition
Recent studies suggest B-vitamins such as riboflavin to possess prebiotic-like effects. However, there is still a lack of understanding of the exact host health benefits vs. conventional systemically available vitamin forms.
- Trial name
- CONCOL (NCT07093463)
- Testing
- Colon-delivered riboflavin, Conventional riboflavin, Microcrystalline Cellulose
- Where
- Germany
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- dsm-firmenich Switzerland AG
Anorexia Nervosa, Dysbiosis
Alteration of Symbiosis Intestinal Microbiota on Patients With Anorexia Nervosa
The purpose of this study will be to study the association between the level of psychic symptomatic of anorexia nervosa (AN) (intensity of food restriction, symptoms of anxiety and depression) and alteration of host environment…
- Conditions
- Anorexia Nervosa, Dysbiosis, Anxious Depression
- Trial name
- INT-METAVOSA (NCT05632497)
- Testing
- Stool and blood samples
- Where
- France
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Inflammatory Bowel Disease (IBD)
Setting up a Cohort of Patients With Inflammatory Bowel Disease and a Cohort of Patients Without Chronic Inflammatory Bowel Disease
The objective of this study is to constitute cohorts of IBD versus non-IBD patients to identify (a) new biomarker(s) of intestinal dysbiosis associated with inflammatory bowel disease, and develop a prototype for assaying such…
- Trial name
- ELITE (NCT06502873)
- Testing
- biological samples collection
- Where
- Belgium
- Volunteers
- 120 people
- Sponsor
- Artialis
Arterial Stiffness, Blood Pressure
Prebiotic Effects of California Grapes on Gut Health and Cardiometabolic Health in Overweight Men and Women
The goal of this clinical trial is to assess the impact of table grape consumption on gut microbiome, intestinal permeability, systemic inflammation, and vascular function in healthy overweight men and women aged 45-70 years.
- Conditions
- Arterial Stiffness, Blood Pressure, Dysbiosis, Inflammation
- Trial name
- CALGRAM (NCT06544954)
- Testing
- Freeze-dried grape powder
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
CKD - Chronic Kidney Disease, Renal Function
Walnuts for Cardiorenal Protection in Adults With Chronic Kidney Disease
To date, no rigorous randomized controlled trials have demonstrated a protective effect of daily moderate walnut consumption on kidney function or chronic kidney disease (CKD) progression in individuals with CKD.
- Conditions
- CKD - Chronic Kidney Disease, Renal Function, Cardiovascular Biomarkers
- Trial name
- NutReCard (NCT07851454)
- Testing
- Daily Walnut Consumption
- Where
- Spain
- Volunteers
- 150 people
- Sponsor
- Institut Investigacio Sanitaria Pere Virgili
Atrial Fibrillation (AF), Obesity (Disorder)
Improving Outcomes After AF Ablation in Obese Patients
Improving Outcomes After AF Ablation in Obese Patients
- Trial name
- OBESE-AF (NCT07618741)
- Testing
- Cardiac Rehabilitation and Lifestyle Modification, Usual Care
- Where
- Taiwan
- Volunteers
- 520 people
- Sponsor
- National Taiwan University Hospital
Microbiome
Effect of a Probiotic or Postbiotic on Gut Microbiome During Antibiotic Treatment
This study assesses the effects of a probiotic or postbiotic on gut microbiome during antibiotic treatment.
- Trial name
- POTATO-2 (NCT07594860)
- Testing
- Probiotic, Postbiotic
- Where
- Greece
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- The Archer-Daniels-Midland Company
Chronic Kidney Diseases
Effects of Jaboticaba (Plinia Cauliflora) Supplementation in Chronic Kidney Disease Patients
The increase prevalence of chronic kidney disease (CKD) over the years represent a significant public health problem. The role of inflammation and oxidative stress in the pathophysiology of CKD, as well as progression and…
- Trial name
- NCT06394531
- Testing
- Jaboticaba Peel Extract
- Where
- Brazil
- Volunteers
- 30 people
- Sponsor
- Universidade Federal Fluminense
HBV, HBV Coinfection
Changes in Bile Acids and Microbiota in Patients With Hepatitis D Treated With Bulvertide
HDV is an RNA virus that infects only in the presence of HBV, affecting about 13% of HBsAg carriers. In Italy, prevalence ranges from 3.2% to 9.3%.
- Conditions
- HBV, HBV Coinfection, HCV, HIV Infections
- Trial name
- Bio-Delta (NCT07429864)
- Where
- Italy
- Volunteers
- 20 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Infantile Colic, Gastroesophageal Reflux (GER)
BioAmicus Complete for Functional Gastrointestinal Symptoms in Infants Aged 0 to 24 Months
Infants often experience functional gastrointestinal symptoms (e.g., colic, excessive gas, regurgitation, constipation, or loose stools) that distress families and may reflect an imbalance of the gut microbiome.
- Conditions
- Infantile Colic, Gastroesophageal Reflux (GER), Functional Constipation, Functional Diarrhea
- Trial name
- CTBE2503 (NCT07148583)
- Testing
- BioAmicus Complete, Usual Care (No Probiotic)
- Where
- Vietnam
- Volunteers
- 110 people
- Sponsor
- Haiphong University of Medicine and Pharmacy
Infant, Newborn, Immunity
The Bloom Infant Probiotic (BIP) Study
The goal of this clinical trial is to investigate whether administering a probiotic (Infloran®) to infants who received antibiotics in the first 28 days of life can restore or enhance their immune response to routine vaccines.
- Conditions
- Infant, Newborn, Immunity, Immunisation, Antibiotic Treatment
- Trial name
- BIP (NCT07189390)
- Testing
- Probiotic
- Where
- 2 sites in Australia
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- South Australian Health and Medical Research Institute
Gut Dysbiosis for TMAO Production From Red Meat Consumption
Development of Microbial Metabolism Gene Tests for Facilitating Precision Health and Preventive Medicine-Evaluation of TMAO Production in Human Body From High-carnitine Diet by Fecal Gbu Gene Testing
The risk of cardiovascular diseases from red meat consumption varies among individuals due to variations in gut microbiota. L-carnitine in red meat can be converted to Trimethylamine n-oxide (TMAO) in the body by certain…
- Trial name
- NCT07322575
- Testing
- Beef
- Where
- Taiwan
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Healthy
A Study to Evaluate the Impact of Lactobacillus Rhamnosus GG on Proton Pump Inhibitor-Induced Gut Dysbiosis
The purpose of this study is to investigate the impact of the probiotic Lactobacillus rhamnosus (LGG) on proton pump inhibitor (PPI)-induced changes to the microbes that live in the gastrointestinal tract and are passed out in…
- Trial name
- NCT05517928
- Testing
- Omeprazole, Lactobacillus rhamnosus GG
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic